00537nas a2200217   4500000000100000008004100001100001900042700001700061700001400078700001200092700001700104700001300121700001400134700001900148700001600167245005800183250001500241300001000256490000700266020004600273       2014                            d1 aEssue Beverley1 aGillespie J.1 aLeeder S.1 aLaba T.1 aUsherwood T.1 aYusuf F.1 aWilson A.1 aPerkovic Vlado1 aJan Stephen00aCo-payments for health care: what is their real cost?  a2014/11/05  a33-6.0 v39  a0156-5788 (Print)<br/>0156-5788 (Linking)